Records for Portland Area, Maine (PWMthr) on 09-18
Record Highs
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1: 90°F (1955)
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2: 83°F (2015)
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3: 83°F (1992)
Record Lows
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1: 32°F (1961)
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2: 32°F (1950)
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3: 35°F (1959)
Lowest Highs
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1: 64°F (1992)
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2: 63°F (2018)
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3: 63°F (2016)
Highest Lows
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1: 55°F (1959)
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2: 55°F (1958)
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3: 56°F (1990)
Highest September temperature:
95°F on 09-07-1945.
Lowest September temperature:
23°F on 09-30-1941.
Average temperature is 60.8°F
Average high is 70.3°F
Average low is 51.4°F
Temperature data from 1874 to 2022.
Record Precipitation
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1: 1.65" (2004)
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2: 1.53" (1890)
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3: 1.33" (1876)
Precipitation data from 1871 to 2022.